Home / 8,187.54-12,282.21-2,345.10

Finding the Fourth Proportional to 8,187.54, 12,282.21 and 2,345.10

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Solution

The fourth proportional to 8,187.54, 12,282.21 and 2,345.10 is: 3,517.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,187.54 : 12,282.21 = 2,345.10 : x
  2. Step 2: Convert to fraction form
    8,187.54/12,282.21 = 2,345.10/x
  3. Step 3: Cross multiply
    8,187.54x = 12,282.21 × 2,345.10
  4. Step 4: Simplify right side
    8,187.54x = 28,803,010.67
  5. Step 5: Solve for x
    x = 28,803,010.67/8,187.54
  6. Step 6: Final answer
    x = 3,517.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.